Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add Aidas-dev/k8s-agent-skills --skill cilium-gatewaygit clone --depth 1 https://github.com/Aidas-dev/k8s-agent-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/aidas-dev/k8s-agent-skills/cilium-gateway)<a href="https://agentmods.dev/skills/aidas-dev/k8s-agent-skills/cilium-gateway"><img src="https://agentmods.dev/badge/skills/aidas-dev/k8s-agent-skills/cilium-gateway/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/aidas-dev/k8s-agent-skills/cilium-gateway"><img src="https://agentmods.dev/badge/skills/aidas-dev/k8s-agent-skills/cilium-gateway.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00060 | $0.02029 |
| Opus 5 | $0.00030 | $0.01014 |
| Sonnet 5 | $0.00012 | $0.00406 |
| Haiku 4.5 | $0.00006 | $0.00203 |
Grade A, and why
cilium-gateway scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 284 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cilium Gateway
Cilium v1.19.4 — Gateway API implementation for ingress traffic via per-node Envoy.
Overview
Cilium implements Gateway API v1.4.1 using per-node Envoy proxies with eBPF TPROXY interception. Supports GatewayClass, Gateway, HTTPRoute, GRPCRoute, TLSRoute, and ReferenceGrant. Host network mode exposes listeners directly on node IPs without a LoadBalancer Service. TLS termination, traffic splitting, and header modification all handled in Envoy.
CRDs Used
Gateway API (standard)
| CRD | Version | Purpose |
|---|---|---|
GatewayClass |
gateway.networking.k8s.io/v1 |
Class reference (parametersRef → CiliumGatewayClassConfig) |
Gateway |
gateway.networking.k8s.io/v1 |
Shared LB listener — hostname, TLS, ports |
HTTPRoute |
gateway.networking.k8s.io/v1 |
HTTP route rules — matches, filters, backends |
GRPCRoute |
gateway.networking.k8s.io/v1 |
gRPC route rules |
TLSRoute |
gateway.networking.k8s.io/v1alpha2 |
TLS passthrough routing by SNI (experimental) |
ReferenceGrant |
gateway.networking.k8s.io/v1beta1 |
Allow cross-namespace references (Secret, Service) |
Cilium-specific
| CRD | Version | Purpose |
|---|---|---|
CiliumGatewayClassConfig |
cilium.io/v2alpha1 |
Cilium-specific GatewayClass parameters (envoy config, LB type, etc.) |
CiliumEnvoyConfig |
cilium.io/v2 |
Low-level Envoy config (used internally by Gateway controller) |
Architecture
Internet → LB IP → any node → eBPF TPROXY → per-node Envoy → identity "ingress" → backend pod
- Traffic arrives at any node, eBPF intercepts via TPROXY using
ingressidentity - Per-node Envoy (DaemonSet or cilium-agent embedded) handles L7
- Two policy enforcement points:
world → ingressandingress → backend - Source IP preserved in
X-Forwarded-ForandX-Envoy-External-Addressheaders
Prerequisites
# Helm values needed
kubeProxyReplacement: true
gatewayAPI:
enabled: true
Gateway API v1.4.1 CRDs must be pre-installed:
kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/gateway-api/v1.4.1/config/crd/standard/gateway.networking.k8s.io_*.yaml
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 10d ago First seen · 284 lines · 60 tokens per session scan A ff92e868d723
cilium-gateway is a skill published in the GitHub repository Aidas-dev/k8s-agent-skills (2 stars, last pushed 27d ago), licensed MIT. It adds 60 tokens to every session and 2,029 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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